#include <linux/of.h>
#include <linux/of_gpio.h>
#include <linux/of_device.h>
+#include <linux/pm_runtime.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
0x3f, 1, mixer_tlv)
};
-static int cs42l42_hpdrv_evt(struct snd_soc_dapm_widget *w,
- struct snd_kcontrol *kcontrol, int event)
-{
- struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
-
- if (event & SND_SOC_DAPM_POST_PMU) {
- /* Enable the channels */
- snd_soc_component_update_bits(component, CS42L42_ASP_RX_DAI0_EN,
- CS42L42_ASP_RX0_CH_EN_MASK,
- (CS42L42_ASP_RX0_CH1_EN |
- CS42L42_ASP_RX0_CH2_EN) <<
- CS42L42_ASP_RX0_CH_EN_SHIFT);
-
- /* Power up */
- snd_soc_component_update_bits(component, CS42L42_PWR_CTL1,
- CS42L42_ASP_DAI_PDN_MASK | CS42L42_MIXER_PDN_MASK |
- CS42L42_HP_PDN_MASK, 0);
- } else if (event & SND_SOC_DAPM_PRE_PMD) {
- /* Disable the channels */
- snd_soc_component_update_bits(component, CS42L42_ASP_RX_DAI0_EN,
- CS42L42_ASP_RX0_CH_EN_MASK, 0);
-
- /* Power down */
- snd_soc_component_update_bits(component, CS42L42_PWR_CTL1,
- CS42L42_ASP_DAI_PDN_MASK | CS42L42_MIXER_PDN_MASK |
- CS42L42_HP_PDN_MASK,
- CS42L42_ASP_DAI_PDN_MASK | CS42L42_MIXER_PDN_MASK |
- CS42L42_HP_PDN_MASK);
- } else {
- dev_err(component->dev, "Invalid event 0x%x\n", event);
- }
- return 0;
-}
-
static const struct snd_soc_dapm_widget cs42l42_dapm_widgets[] = {
+ /* Playback Path */
SND_SOC_DAPM_OUTPUT("HP"),
- SND_SOC_DAPM_AIF_IN("SDIN", NULL, 0, CS42L42_ASP_CLK_CFG,
- CS42L42_ASP_SCLK_EN_SHIFT, false),
- SND_SOC_DAPM_OUT_DRV_E("HPDRV", SND_SOC_NOPM, 0,
- 0, NULL, 0, cs42l42_hpdrv_evt,
- SND_SOC_DAPM_POST_PMU |
- SND_SOC_DAPM_PRE_PMD)
+ SND_SOC_DAPM_DAC("DAC", NULL, CS42L42_PWR_CTL1, CS42L42_HP_PDN_SHIFT, 1),
+ SND_SOC_DAPM_MIXER("MIXER", CS42L42_PWR_CTL1, CS42L42_MIXER_PDN_SHIFT, 1, NULL, 0),
+ SND_SOC_DAPM_AIF_IN("SDIN1", NULL, 0, CS42L42_ASP_RX_DAI0_EN, CS42L42_ASP_RX0_CH1_SHIFT, 0),
+ SND_SOC_DAPM_AIF_IN("SDIN2", NULL, 1, CS42L42_ASP_RX_DAI0_EN, CS42L42_ASP_RX0_CH2_SHIFT, 0),
+
+ /* Playback Requirements */
+ SND_SOC_DAPM_SUPPLY("ASP DAI0", CS42L42_PWR_CTL1, CS42L42_ASP_DAI_PDN_SHIFT, 1, NULL, 0),
+
+ /* Capture Path */
+ SND_SOC_DAPM_INPUT("HS"),
+ SND_SOC_DAPM_ADC("ADC", NULL, CS42L42_PWR_CTL1, CS42L42_ADC_PDN_SHIFT, 1),
+ SND_SOC_DAPM_AIF_OUT("SDOUT1", NULL, 0, CS42L42_ASP_TX_CH_EN, CS42L42_ASP_TX0_CH1_SHIFT, 0),
+ SND_SOC_DAPM_AIF_OUT("SDOUT2", NULL, 1, CS42L42_ASP_TX_CH_EN, CS42L42_ASP_TX0_CH2_SHIFT, 0),
+
+ /* Capture Requirements */
+ SND_SOC_DAPM_SUPPLY("ASP DAO0", CS42L42_PWR_CTL1, CS42L42_ASP_DAO_PDN_SHIFT, 1, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("ASP TX EN", CS42L42_ASP_TX_SZ_EN, CS42L42_ASP_TX_EN_SHIFT, 0, NULL, 0),
+
+ /* Playback/Capture Requirements */
+ SND_SOC_DAPM_SUPPLY("SCLK", CS42L42_ASP_CLK_CFG, CS42L42_ASP_SCLK_EN_SHIFT, 0, NULL, 0),
};
static const struct snd_soc_dapm_route cs42l42_audio_map[] = {
- {"SDIN", NULL, "Playback"},
- {"HPDRV", NULL, "SDIN"},
- {"HP", NULL, "HPDRV"}
+ /* Playback Path */
+ {"HP", NULL, "DAC"},
+ {"DAC", NULL, "MIXER"},
+ {"MIXER", NULL, "SDIN1"},
+ {"MIXER", NULL, "SDIN2"},
+ {"SDIN1", NULL, "Playback"},
+ {"SDIN2", NULL, "Playback"},
+
+ /* Playback Requirements */
+ {"SDIN1", NULL, "ASP DAI0"},
+ {"SDIN2", NULL, "ASP DAI0"},
+ {"SDIN1", NULL, "SCLK"},
+ {"SDIN2", NULL, "SCLK"},
+
+ /* Capture Path */
+ {"ADC", NULL, "HS"},
+ { "SDOUT1", NULL, "ADC" },
+ { "SDOUT2", NULL, "ADC" },
+ { "Capture", NULL, "SDOUT1" },
+ { "Capture", NULL, "SDOUT2" },
+
+ /* Capture Requirements */
+ { "SDOUT1", NULL, "ASP DAO0" },
+ { "SDOUT2", NULL, "ASP DAO0" },
+ { "SDOUT1", NULL, "SCLK" },
+ { "SDOUT2", NULL, "SCLK" },
+ { "SDOUT1", NULL, "ASP TX EN" },
+ { "SDOUT2", NULL, "ASP TX EN" },
};
static int cs42l42_component_probe(struct snd_soc_component *component)
{
struct cs42l42_private *cs42l42 =
(struct cs42l42_private *)snd_soc_component_get_drvdata(component);
+ struct snd_soc_card *crd = component->card;
+ int ret = 0;
cs42l42->component = component;
- return 0;
+ ret = snd_soc_card_jack_new(crd, "CS42L42 Headset", SND_JACK_HEADSET | SND_JACK_BTN_0 |
+ SND_JACK_BTN_1 | SND_JACK_BTN_2 | SND_JACK_BTN_3,
+ &cs42l42->jack, NULL, 0);
+ if (ret < 0)
+ dev_err(component->dev, "Cannot create CS42L42 Headset: %d\n", ret);
+
+ return ret;
}
static const struct snd_soc_component_driver soc_component_dev_cs42l42 = {
.non_legacy_dai_naming = 1,
};
+/* Switch to SCLK. Atomic delay after the write to allow the switch to complete. */
+static const struct reg_sequence cs42l42_to_sclk_seq[] = {
+ {
+ .reg = CS42L42_OSC_SWITCH,
+ .def = CS42L42_SCLK_PRESENT_MASK,
+ .delay_us = CS42L42_CLOCK_SWITCH_DELAY_US,
+ },
+};
+
+/* Switch to OSC. Atomic delay after the write to allow the switch to complete. */
+static const struct reg_sequence cs42l42_to_osc_seq[] = {
+ {
+ .reg = CS42L42_OSC_SWITCH,
+ .def = 0,
+ .delay_us = CS42L42_CLOCK_SWITCH_DELAY_US,
+ },
+};
+
struct cs42l42_pll_params {
u32 sclk;
u8 mclk_div;
{
struct cs42l42_private *cs42l42 = snd_soc_component_get_drvdata(component);
int i;
+ u32 clk;
u32 fsync;
+ if (!cs42l42->sclk)
+ clk = cs42l42->bclk;
+ else
+ clk = cs42l42->sclk;
+
for (i = 0; i < ARRAY_SIZE(pll_ratio_table); i++) {
- if (pll_ratio_table[i].sclk == cs42l42->sclk) {
+ if (pll_ratio_table[i].sclk == clk) {
/* Configure the internal sample rate */
snd_soc_component_update_bits(component, CS42L42_MCLK_CTL,
CS42L42_INTERNAL_FS_MASK,
(pll_ratio_table[i].mclk_div <<
CS42L42_MCLKDIV_SHIFT));
/* Set up the LRCLK */
- fsync = cs42l42->sclk / cs42l42->srate;
- if (((fsync * cs42l42->srate) != cs42l42->sclk)
+ fsync = clk / cs42l42->srate;
+ if (((fsync * cs42l42->srate) != clk)
|| ((fsync % 2) != 0)) {
dev_err(component->dev,
"Unsupported sclk %d/sample rate %d\n",
- cs42l42->sclk,
+ clk,
cs42l42->srate);
return -EINVAL;
}
{
struct snd_soc_component *component = dai->component;
struct cs42l42_private *cs42l42 = snd_soc_component_get_drvdata(component);
+ unsigned int channels = params_channels(params);
unsigned int width = (params_width(params) / 8) - 1;
unsigned int val = 0;
cs42l42->srate = params_rate(params);
+ cs42l42->bclk = snd_soc_params_to_bclk(params);
switch(substream->stream) {
+ case SNDRV_PCM_STREAM_CAPTURE:
+ if (channels == 2) {
+ val |= CS42L42_ASP_TX_CH2_AP_MASK;
+ val |= width << CS42L42_ASP_TX_CH2_RES_SHIFT;
+ }
+ val |= width << CS42L42_ASP_TX_CH1_RES_SHIFT;
+
+ snd_soc_component_update_bits(component, CS42L42_ASP_TX_CH_AP_RES,
+ CS42L42_ASP_TX_CH1_AP_MASK | CS42L42_ASP_TX_CH2_AP_MASK |
+ CS42L42_ASP_TX_CH2_RES_MASK | CS42L42_ASP_TX_CH1_RES_MASK, val);
+ break;
case SNDRV_PCM_STREAM_PLAYBACK:
val |= width << CS42L42_ASP_RX_CH_RES_SHIFT;
/* channel 1 on low LRCLK */
return 0;
}
-static int cs42l42_mute(struct snd_soc_dai *dai, int mute, int direction)
+static int cs42l42_mute_stream(struct snd_soc_dai *dai, int mute, int stream)
{
struct snd_soc_component *component = dai->component;
+ struct cs42l42_private *cs42l42 = snd_soc_component_get_drvdata(component);
unsigned int regval;
u8 fullScaleVol;
+ int ret;
if (mute) {
- /* Mark SCLK as not present to turn on the internal
- * oscillator.
- */
- snd_soc_component_update_bits(component, CS42L42_OSC_SWITCH,
- CS42L42_SCLK_PRESENT_MASK, 0);
-
- snd_soc_component_update_bits(component, CS42L42_PLL_CTL1,
- CS42L42_PLL_START_MASK,
- 0 << CS42L42_PLL_START_SHIFT);
-
/* Mute the headphone */
- snd_soc_component_update_bits(component, CS42L42_HP_CTL,
- CS42L42_HP_ANA_AMUTE_MASK |
- CS42L42_HP_ANA_BMUTE_MASK,
- CS42L42_HP_ANA_AMUTE_MASK |
- CS42L42_HP_ANA_BMUTE_MASK);
- } else {
- snd_soc_component_update_bits(component, CS42L42_PLL_CTL1,
- CS42L42_PLL_START_MASK,
- 1 << CS42L42_PLL_START_SHIFT);
- /* Read the headphone load */
- regval = snd_soc_component_read(component, CS42L42_LOAD_DET_RCSTAT);
- if (((regval & CS42L42_RLA_STAT_MASK) >>
- CS42L42_RLA_STAT_SHIFT) == CS42L42_RLA_STAT_15_OHM) {
- fullScaleVol = CS42L42_HP_FULL_SCALE_VOL_MASK;
- } else {
- fullScaleVol = 0;
+ if (stream == SNDRV_PCM_STREAM_PLAYBACK)
+ snd_soc_component_update_bits(component, CS42L42_HP_CTL,
+ CS42L42_HP_ANA_AMUTE_MASK |
+ CS42L42_HP_ANA_BMUTE_MASK,
+ CS42L42_HP_ANA_AMUTE_MASK |
+ CS42L42_HP_ANA_BMUTE_MASK);
+
+ cs42l42->stream_use &= ~(1 << stream);
+ if(!cs42l42->stream_use) {
+ /*
+ * Switch to the internal oscillator.
+ * SCLK must remain running until after this clock switch.
+ * Without a source of clock the I2C bus doesn't work.
+ */
+ regmap_multi_reg_write(cs42l42->regmap, cs42l42_to_osc_seq,
+ ARRAY_SIZE(cs42l42_to_osc_seq));
+ snd_soc_component_update_bits(component, CS42L42_PLL_CTL1,
+ CS42L42_PLL_START_MASK, 0);
}
+ } else {
+ if (!cs42l42->stream_use) {
+ /* SCLK must be running before codec unmute */
+ if ((cs42l42->bclk < 11289600) && (cs42l42->sclk < 11289600)) {
+ snd_soc_component_update_bits(component, CS42L42_PLL_CTL1,
+ CS42L42_PLL_START_MASK, 1);
+ ret = regmap_read_poll_timeout(cs42l42->regmap,
+ CS42L42_PLL_LOCK_STATUS,
+ regval,
+ (regval & 1),
+ CS42L42_PLL_LOCK_POLL_US,
+ CS42L42_PLL_LOCK_TIMEOUT_US);
+ if (ret < 0)
+ dev_warn(component->dev, "PLL failed to lock: %d\n", ret);
+ }
- /* Un-mute the headphone, set the full scale volume flag */
- snd_soc_component_update_bits(component, CS42L42_HP_CTL,
- CS42L42_HP_ANA_AMUTE_MASK |
- CS42L42_HP_ANA_BMUTE_MASK |
- CS42L42_HP_FULL_SCALE_VOL_MASK, fullScaleVol);
+ /* Mark SCLK as present, turn off internal oscillator */
+ regmap_multi_reg_write(cs42l42->regmap, cs42l42_to_sclk_seq,
+ ARRAY_SIZE(cs42l42_to_sclk_seq));
+ }
+ cs42l42->stream_use |= 1 << stream;
+
+ if (stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ /* Read the headphone load */
+ regval = snd_soc_component_read(component, CS42L42_LOAD_DET_RCSTAT);
+ if (((regval & CS42L42_RLA_STAT_MASK) >> CS42L42_RLA_STAT_SHIFT) ==
+ CS42L42_RLA_STAT_15_OHM) {
+ fullScaleVol = CS42L42_HP_FULL_SCALE_VOL_MASK;
+ } else {
+ fullScaleVol = 0;
+ }
- /* Mark SCLK as present, turn off internal oscillator */
- snd_soc_component_update_bits(component, CS42L42_OSC_SWITCH,
- CS42L42_SCLK_PRESENT_MASK,
- CS42L42_SCLK_PRESENT_MASK);
+ /* Un-mute the headphone, set the full scale volume flag */
+ snd_soc_component_update_bits(component, CS42L42_HP_CTL,
+ CS42L42_HP_ANA_AMUTE_MASK |
+ CS42L42_HP_ANA_BMUTE_MASK |
+ CS42L42_HP_FULL_SCALE_VOL_MASK, fullScaleVol);
+ }
}
return 0;
.hw_params = cs42l42_pcm_hw_params,
.set_fmt = cs42l42_set_dai_fmt,
.set_sysclk = cs42l42_set_sysclk,
- .mute_stream = cs42l42_mute,
- .no_capture_mute = 1,
+ .mute_stream = cs42l42_mute_stream,
};
static struct snd_soc_dai_driver cs42l42_dai = {
.rates = SNDRV_PCM_RATE_8000_192000,
.formats = CS42L42_FORMATS,
},
+ .symmetric_rate = 1,
+ .symmetric_sample_bits = 1,
.ops = &cs42l42_ops,
};
(3 << CS42L42_HSDET_AUTO_TIME_SHIFT));
}
-static void cs42l42_handle_button_press(struct cs42l42_private *cs42l42)
+static int cs42l42_handle_button_press(struct cs42l42_private *cs42l42)
{
int bias_level;
unsigned int detect_status;
switch (bias_level) {
case 1: /* Function C button press */
+ bias_level = SND_JACK_BTN_2;
dev_dbg(cs42l42->component->dev, "Function C button press\n");
break;
case 2: /* Function B button press */
+ bias_level = SND_JACK_BTN_1;
dev_dbg(cs42l42->component->dev, "Function B button press\n");
break;
case 3: /* Function D button press */
+ bias_level = SND_JACK_BTN_3;
dev_dbg(cs42l42->component->dev, "Function D button press\n");
break;
case 4: /* Function A button press */
+ bias_level = SND_JACK_BTN_0;
dev_dbg(cs42l42->component->dev, "Function A button press\n");
break;
+ default:
+ bias_level = 0;
+ break;
}
/* Set button detect level sensitivity back to default */
(0 << CS42L42_M_HSBIAS_HIZ_SHIFT) |
(1 << CS42L42_M_SHORT_RLS_SHIFT) |
(1 << CS42L42_M_SHORT_DET_SHIFT));
+
+ return bias_level;
}
struct cs42l42_irq_params {
unsigned int current_plug_status;
unsigned int current_button_status;
unsigned int i;
+ int report = 0;
+
/* Read sticky registers to clear interurpt */
for (i = 0; i < ARRAY_SIZE(stickies); i++) {
if ((~masks[5]) & irq_params_table[5].mask) {
if (stickies[5] & CS42L42_HSDET_AUTO_DONE_MASK) {
cs42l42_process_hs_type_detect(cs42l42);
- dev_dbg(component->dev,
- "Auto detect done (%d)\n",
- cs42l42->hs_type);
+ switch(cs42l42->hs_type){
+ case CS42L42_PLUG_CTIA:
+ case CS42L42_PLUG_OMTP:
+ snd_soc_jack_report(&cs42l42->jack, SND_JACK_HEADSET,
+ SND_JACK_HEADSET);
+ break;
+ case CS42L42_PLUG_HEADPHONE:
+ snd_soc_jack_report(&cs42l42->jack, SND_JACK_HEADPHONE,
+ SND_JACK_HEADPHONE);
+ break;
+ default:
+ break;
+ }
+ dev_dbg(component->dev, "Auto detect done (%d)\n", cs42l42->hs_type);
}
}
if (cs42l42->plug_state != CS42L42_TS_UNPLUG) {
cs42l42->plug_state = CS42L42_TS_UNPLUG;
cs42l42_cancel_hs_type_detect(cs42l42);
- dev_dbg(component->dev,
- "Unplug event\n");
+
+ switch(cs42l42->hs_type){
+ case CS42L42_PLUG_CTIA:
+ case CS42L42_PLUG_OMTP:
+ snd_soc_jack_report(&cs42l42->jack, 0, SND_JACK_HEADSET);
+ break;
+ case CS42L42_PLUG_HEADPHONE:
+ snd_soc_jack_report(&cs42l42->jack, 0, SND_JACK_HEADPHONE);
+ break;
+ default:
+ break;
+ }
+ dev_dbg(component->dev, "Unplug event\n");
}
break;
if (!(current_button_status &
CS42L42_M_HSBIAS_HIZ_MASK)) {
- if (current_button_status &
- CS42L42_M_DETECT_TF_MASK) {
- dev_dbg(component->dev,
- "Button released\n");
- } else if (current_button_status &
- CS42L42_M_DETECT_FT_MASK) {
- cs42l42_handle_button_press(cs42l42);
+ if (current_button_status & CS42L42_M_DETECT_TF_MASK) {
+ dev_dbg(component->dev, "Button released\n");
+ report = 0;
+ } else if (current_button_status & CS42L42_M_DETECT_FT_MASK) {
+ report = cs42l42_handle_button_press(cs42l42);
+
}
+ snd_soc_jack_report(&cs42l42->jack, report, SND_JACK_BTN_0 | SND_JACK_BTN_1 |
+ SND_JACK_BTN_2 | SND_JACK_BTN_3);
}
}
/* Reset the Device */
cs42l42->reset_gpio = devm_gpiod_get_optional(&i2c_client->dev,
"reset", GPIOD_OUT_LOW);
- if (IS_ERR(cs42l42->reset_gpio))
- return PTR_ERR(cs42l42->reset_gpio);
+ if (IS_ERR(cs42l42->reset_gpio)) {
+ ret = PTR_ERR(cs42l42->reset_gpio);
+ goto err_disable;
+ }
if (cs42l42->reset_gpio) {
dev_dbg(&i2c_client->dev, "Found reset GPIO\n");
dev_err(&i2c_client->dev,
"CS42L42 Device ID (%X). Expected %X\n",
devid, CS42L42_CHIP_ID);
- return ret;
+ goto err_disable;
}
ret = regmap_read(cs42l42->regmap, CS42L42_REVID, ®);
if (ret < 0) {
dev_err(&i2c_client->dev, "Get Revision ID failed\n");
- return ret;
+ goto err_disable;
}
dev_info(&i2c_client->dev,
if (i2c_client->dev.of_node) {
ret = cs42l42_handle_device_data(i2c_client, cs42l42);
if (ret != 0)
- return ret;
+ goto err_disable;
}
/* Setup headset detection */
{
struct cs42l42_private *cs42l42 = i2c_get_clientdata(i2c_client);
- /* Hold down reset */
- gpiod_set_value_cansleep(cs42l42->reset_gpio, 0);
+ devm_free_irq(&i2c_client->dev, i2c_client->irq, cs42l42);
+ pm_runtime_suspend(&i2c_client->dev);
+ pm_runtime_disable(&i2c_client->dev);
return 0;
}
git.samba.org / sfrench / cifs-2.6.git / blobdiff